<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'
import { findOrders} from '@/api/order'
export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    }
  },
  data() {
    return {
      chart: null,
      orderData:null
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  created() {
    this.findOrders()
  },
  methods: {
	  async findOrders() {
	    const res = await findOrders()
	   this.orderData = res.data
     //动态插入数据时，数据在这里设置更新
             this.chart.setOption({
               // xAxis: {
               //   data: this.orderData
               // },
               series: [
               {
                 name: '类型数量',
                 data: this.orderData,
               }]
             });

	  },
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')

      this.chart.setOption({
        tooltip: {
          trigger: 'item',
          formatter: '{a} <br/>{b} : {c} ({d}%)'
        },
        legend: {
          left: 'center',
          bottom: '10',
          data: ['免费订单', '付费订单']
        },
        series: [
          {
            name: '订单',
            type: 'pie',
            roseType: 'radius',
            radius: [15, 95],
            center: ['50%', '38%'],
            data:this.orderData,

            animationEasing: 'cubicInOut',
            animationDuration: 2600
          }
        ]
      })
    }
  }
}
</script>
